code: def conjugate(A):
      """Return conjugate of tensor A.
  
      .. note:: If A's dtype is not complex, A is returned.
      """
      if A.is_complex():
          return A.conj()
      return A
  
file_path: pytorch/torch/_linalg_utils.py
imports: from typing import Optional, Tuple
  import torch
  from torch import Tensor
label_desc: Use image node_id 4 for calling a global function with example usage: conjugate(A) and returns: A, A